1 -- SQL to create the initial tables for the MediaWiki database.
2 -- This is read and executed by the install script; you should
3 -- not have to run it by itself unless doing a manual install.
5 -- This is a shared schema file used for both MySQL and SQLite installs.
7 -- For more documentation on the database schema, see
8 -- https://www.mediawiki.org/wiki/Manual:Database_layout
12 -- If possible, create tables as InnoDB to benefit from the
13 -- superior resiliency against crashes and ability to read
14 -- during writes (and write during reads!)
16 -- Only the 'searchindex' table requires MyISAM due to the
17 -- requirement for fulltext index support, which is missing
21 -- The MySQL table backend for MediaWiki currently uses
22 -- 14-character BINARY or VARBINARY fields to store timestamps.
23 -- The format is YYYYMMDDHHMMSS, which is derived from the
24 -- text format of MySQL's TIMESTAMP fields.
26 -- Historically TIMESTAMP fields were used, but abandoned
27 -- in early 2002 after a lot of trouble with the fields
30 -- The Postgres backend uses TIMESTAMPTZ fields for timestamps,
31 -- and we will migrate the MySQL definitions at some point as
35 -- The /*_*/ comments in this and other files are
36 -- replaced with the defined table prefix by the installer
37 -- and updater scripts. If you are installing or running
38 -- updates manually, you will need to manually insert the
39 -- table prefix if any when running these scripts.
44 -- The user table contains basic account information,
45 -- authentication keys, etc.
47 -- Some multi-wiki sites may share a single central user table
48 -- between separate wikis using the $wgSharedDB setting.
50 -- Note that when a external authentication plugin is used,
51 -- user table entries still need to be created to store
52 -- preferences and to key tracking information in the other
55 CREATE TABLE /*_*/user (
56 user_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
58 -- Usernames must be unique, must not be in the form of
59 -- an IP address. _Shouldn't_ allow slashes or case
60 -- conflicts. Spaces are allowed, and are _not_ converted
61 -- to underscores like titles. See the User::newFromName() for
62 -- the specific tests that usernames have to pass.
63 user_name
varchar(255) binary NOT NULL default '',
65 -- Optional 'real name' to be displayed in credit listings
66 user_real_name
varchar(255) binary NOT NULL default '',
68 -- Password hashes, see User::crypt() and User::comparePasswords()
69 -- in User.php for the algorithm
70 user_password tinyblob
NOT NULL,
72 -- When using 'mail me a new password', a random
73 -- password is generated and the hash stored here.
74 -- The previous password is left in place until
75 -- someone actually logs in with the new password,
76 -- at which point the hash is moved to user_password
77 -- and the old password is invalidated.
78 user_newpassword tinyblob
NOT NULL,
80 -- Timestamp of the last time when a new password was
81 -- sent, for throttling and expiring purposes
82 -- Emailed passwords will expire $wgNewPasswordExpiry
83 -- (a week) after being set. If user_newpass_time is NULL
84 -- (eg. created by mail) it doesn't expire.
85 user_newpass_time
binary(14),
87 -- Note: email should be restricted, not public info.
88 -- Same with passwords.
89 user_email tinytext
NOT NULL,
91 -- If the browser sends an If-Modified-Since header, a 304 response is
92 -- suppressed if the value in this field for the current user is later than
93 -- the value in the IMS header. That is, this field is an invalidation timestamp
94 -- for the browser cache of logged-in users. Among other things, it is used
95 -- to prevent pages generated for a previously logged in user from being
96 -- displayed after a session expiry followed by a fresh login.
97 user_touched
binary(14) NOT NULL default '',
99 -- A pseudorandomly generated value that is stored in
100 -- a cookie when the "remember password" feature is
101 -- used (previously, a hash of the password was used, but
102 -- this was vulnerable to cookie-stealing attacks)
103 user_token
binary(32) NOT NULL default '',
105 -- Initially NULL; when a user's e-mail address has been
106 -- validated by returning with a mailed token, this is
107 -- set to the current timestamp.
108 user_email_authenticated
binary(14),
110 -- Randomly generated token created when the e-mail address
111 -- is set and a confirmation test mail sent.
112 user_email_token
binary(32),
114 -- Expiration date for the user_email_token
115 user_email_token_expires
binary(14),
117 -- Timestamp of account registration.
118 -- Accounts predating this schema addition may contain NULL.
119 user_registration
binary(14),
121 -- Count of edits and edit-like actions.
123 -- *NOT* intended to be an accurate copy of COUNT(*) WHERE rev_user=user_id
124 -- May contain NULL for old accounts if batch-update scripts haven't been
125 -- run, as well as listing deleted edits and other myriad ways it could be
128 -- Meant primarily for heuristic checks to give an impression of whether
129 -- the account has been used much.
133 -- Expiration date for user password.
134 user_password_expires
varbinary(14) DEFAULT NULL
136 ) /*$wgDBTableOptions*/;
138 CREATE UNIQUE INDEX /*i*/user_name
ON /*_*/user (user_name
);
139 CREATE INDEX /*i*/user_email_token
ON /*_*/user (user_email_token
);
140 CREATE INDEX /*i*/user_email
ON /*_*/user (user_email(50));
144 -- User permissions have been broken out to a separate table;
145 -- this allows sites with a shared user table to have different
146 -- permissions assigned to a user in each project.
148 -- This table replaces the old user_rights field which used a
149 -- comma-separated blob.
151 CREATE TABLE /*_*/user_groups (
153 ug_user
int unsigned
NOT NULL default 0,
155 -- Group names are short symbolic string keys.
156 -- The set of group names is open-ended, though in practice
157 -- only some predefined ones are likely to be used.
159 -- At runtime $wgGroupPermissions will associate group keys
160 -- with particular permissions. A user will have the combined
161 -- permissions of any group they're explicitly in, plus
162 -- the implicit '*' and 'user' groups.
163 ug_group
varbinary(255) NOT NULL default '',
165 -- Time at which the user group membership will expire. Set to
166 -- NULL for a non-expiring (infinite) membership.
167 ug_expiry
varbinary(14) NULL default NULL,
169 PRIMARY KEY (ug_user
, ug_group
)
170 ) /*$wgDBTableOptions*/;
172 CREATE INDEX /*i*/ug_group
ON /*_*/user_groups (ug_group
);
173 CREATE INDEX /*i*/ug_expiry
ON /*_*/user_groups (ug_expiry
);
175 -- Stores the groups the user has once belonged to.
176 -- The user may still belong to these groups (check user_groups).
177 -- Users are not autopromoted to groups from which they were removed.
178 CREATE TABLE /*_*/user_former_groups (
180 ufg_user
int unsigned
NOT NULL default 0,
181 ufg_group
varbinary(255) NOT NULL default ''
182 ) /*$wgDBTableOptions*/;
184 CREATE UNIQUE INDEX /*i*/ufg_user_group
ON /*_*/user_former_groups (ufg_user
,ufg_group
);
187 -- Stores notifications of user talk page changes, for the display
188 -- of the "you have new messages" box
190 CREATE TABLE /*_*/user_newtalk (
191 -- Key to user.user_id
192 user_id
int unsigned
NOT NULL default 0,
193 -- If the user is an anonymous user their IP address is stored here
194 -- since the user_id of 0 is ambiguous
195 user_ip
varbinary(40) NOT NULL default '',
196 -- The highest timestamp of revisions of the talk page viewed
198 user_last_timestamp
varbinary(14) NULL default NULL
199 ) /*$wgDBTableOptions*/;
201 -- Indexes renamed for SQLite in 1.14
202 CREATE INDEX /*i*/un_user_id
ON /*_*/user_newtalk (user_id
);
203 CREATE INDEX /*i*/un_user_ip
ON /*_*/user_newtalk (user_ip
);
207 -- User preferences and perhaps other fun stuff. :)
208 -- Replaces the old user.user_options blob, with a couple nice properties:
210 -- 1) We only store non-default settings, so changes to the defauls
211 -- are now reflected for everybody, not just new accounts.
212 -- 2) We can more easily do bulk lookups, statistics, or modifications of
213 -- saved options since it's a sane table structure.
215 CREATE TABLE /*_*/user_properties (
216 -- Foreign key to user.user_id
217 up_user
int NOT NULL,
219 -- Name of the option being saved. This is indexed for bulk lookup.
220 up_property
varbinary(255) NOT NULL,
222 -- Property value as a string.
224 ) /*$wgDBTableOptions*/;
226 CREATE UNIQUE INDEX /*i*/user_properties_user_property
ON /*_*/user_properties (up_user
,up_property
);
227 CREATE INDEX /*i*/user_properties_property
ON /*_*/user_properties (up_property
);
230 -- This table contains a user's bot passwords: passwords that allow access to
231 -- the account via the API with limited rights.
233 CREATE TABLE /*_*/bot_passwords (
234 -- User ID obtained from CentralIdLookup.
235 bp_user
int NOT NULL,
237 -- Application identifier
238 bp_app_id
varbinary(32) NOT NULL,
240 -- Password hashes, like user.user_password
241 bp_password tinyblob
NOT NULL,
243 -- Like user.user_token
244 bp_token
binary(32) NOT NULL default '',
246 -- JSON blob for MWRestrictions
247 bp_restrictions
blob NOT NULL,
249 -- Grants allowed to the account when authenticated with this bot-password
250 bp_grants
blob NOT NULL,
252 PRIMARY KEY ( bp_user
, bp_app_id
)
253 ) /*$wgDBTableOptions*/;
256 -- Core of the wiki: each page has an entry here which identifies
257 -- it by title and contains some essential metadata.
259 CREATE TABLE /*_*/page (
260 -- Unique identifier number. The page_id will be preserved across
261 -- edits and rename operations, but not deletions and recreations.
262 page_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
264 -- A page name is broken into a namespace and a title.
265 -- The namespace keys are UI-language-independent constants,
266 -- defined in includes/Defines.php
267 page_namespace
int NOT NULL,
269 -- The rest of the title, as text.
270 -- Spaces are transformed into underscores in title storage.
271 page_title
varchar(255) binary NOT NULL,
273 -- Comma-separated set of permission keys indicating who
274 -- can move or edit the page.
275 page_restrictions tinyblob
NOT NULL,
277 -- 1 indicates the article is a redirect.
278 page_is_redirect tinyint unsigned
NOT NULL default 0,
280 -- 1 indicates this is a new entry, with only one edit.
281 -- Not all pages with one edit are new pages.
282 page_is_new tinyint unsigned
NOT NULL default 0,
284 -- Random value between 0 and 1, used for Special:Randompage
285 page_random
real unsigned
NOT NULL,
287 -- This timestamp is updated whenever the page changes in
288 -- a way requiring it to be re-rendered, invalidating caches.
289 -- Aside from editing this includes permission changes,
290 -- creation or deletion of linked pages, and alteration
291 -- of contained templates.
292 page_touched
binary(14) NOT NULL default '',
294 -- This timestamp is updated whenever a page is re-parsed and
295 -- it has all the link tracking tables updated for it. This is
296 -- useful for de-duplicating expensive backlink update jobs.
297 page_links_updated
varbinary(14) NULL default NULL,
299 -- Handy key to revision.rev_id of the current revision.
300 -- This may be 0 during page creation, but that shouldn't
301 -- happen outside of a transaction... hopefully.
302 page_latest
int unsigned
NOT NULL,
304 -- Uncompressed length in bytes of the page's current source text.
305 page_len
int unsigned
NOT NULL,
307 -- content model, see CONTENT_MODEL_XXX constants
308 page_content_model
varbinary(32) DEFAULT NULL,
310 -- Page content language
311 page_lang
varbinary(35) DEFAULT NULL
312 ) /*$wgDBTableOptions*/;
314 -- The title index. Care must be taken to always specify a namespace when
315 -- by title, so that the index is used. Even listing all known namespaces
316 -- with IN() is better than omitting page_namespace from the WHERE clause.
317 CREATE UNIQUE INDEX /*i*/name_title
ON /*_*/page (page_namespace
,page_title
);
319 -- The index for Special:Random
320 CREATE INDEX /*i*/page_random
ON /*_*/page (page_random
);
322 -- Questionable utility, used by ProofreadPage, possibly DynamicPageList.
323 -- ApiQueryAllPages unconditionally filters on namespace and so hopefully does
325 CREATE INDEX /*i*/page_len
ON /*_*/page (page_len
);
327 -- The index for Special:Shortpages and Special:Longpages. Also SiteStats::articles()
328 -- in 'comma' counting mode, MessageCache::loadFromDB().
329 CREATE INDEX /*i*/page_redirect_namespace_len
ON /*_*/page (page_is_redirect
, page_namespace
, page_len
);
332 -- Every edit of a page creates also a revision row.
333 -- This stores metadata about the revision, and a reference
334 -- to the text storage backend.
336 CREATE TABLE /*_*/revision (
337 -- Unique ID to identify each revision
338 rev_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
340 -- Key to page_id. This should _never_ be invalid.
341 rev_page
int unsigned
NOT NULL,
343 -- Key to text.old_id, where the actual bulk text is stored.
344 -- It's possible for multiple revisions to use the same text,
345 -- for instance revisions where only metadata is altered
346 -- or a rollback to a previous version.
347 rev_text_id
int unsigned
NOT NULL,
349 -- Text comment summarizing the change.
350 -- This text is shown in the history and other changes lists,
351 -- rendered in a subset of wiki markup by Linker::formatComment()
352 rev_comment
varbinary(767) NOT NULL,
354 -- Key to user.user_id of the user who made this edit.
355 -- Stores 0 for anonymous edits and for some mass imports.
356 rev_user
int unsigned
NOT NULL default 0,
358 -- Text username or IP address of the editor.
359 rev_user_text
varchar(255) binary NOT NULL default '',
361 -- Timestamp of when revision was created
362 rev_timestamp
binary(14) NOT NULL default '',
364 -- Records whether the user marked the 'minor edit' checkbox.
365 -- Many automated edits are marked as minor.
366 rev_minor_edit tinyint unsigned
NOT NULL default 0,
368 -- Restrictions on who can access this revision
369 rev_deleted tinyint unsigned
NOT NULL default 0,
371 -- Length of this revision in bytes
372 rev_len
int unsigned
,
374 -- Key to revision.rev_id
375 -- This field is used to add support for a tree structure (The Adjacency List Model)
376 rev_parent_id
int unsigned
default NULL,
378 -- SHA-1 text content hash in base-36
379 rev_sha1
varbinary(32) NOT NULL default '',
381 -- content model, see CONTENT_MODEL_XXX constants
382 rev_content_model
varbinary(32) DEFAULT NULL,
384 -- content format, see CONTENT_FORMAT_XXX constants
385 rev_content_format
varbinary(64) DEFAULT NULL
387 ) /*$wgDBTableOptions*/ MAX_ROWS
=10000000 AVG_ROW_LENGTH
=1024;
388 -- In case tables are created as MyISAM, use row hints for MySQL <5.0 to avoid 4GB limit
390 -- The index is proposed for removal, do not use it in new code: T163532.
391 -- Used for ordering revisions within a page by rev_id, which is usually
392 -- incorrect, since rev_timestamp is normally the correct order. It can also
393 -- be used by dumpBackup.php, if a page and rev_id range is specified.
394 CREATE INDEX /*i*/rev_page_id
ON /*_*/revision (rev_page
, rev_id
);
396 -- Used by ApiQueryAllRevisions
397 CREATE INDEX /*i*/rev_timestamp
ON /*_*/revision (rev_timestamp
);
400 CREATE INDEX /*i*/page_timestamp
ON /*_*/revision (rev_page
,rev_timestamp
);
402 -- Logged-in user contributions index
403 CREATE INDEX /*i*/user_timestamp
ON /*_*/revision (rev_user
,rev_timestamp
);
405 -- Anonymous user countributions index
406 CREATE INDEX /*i*/usertext_timestamp
ON /*_*/revision (rev_user_text
,rev_timestamp
);
408 -- Credits index. This is scanned in order to compile credits lists for pages,
409 -- in ApiQueryContributors. Also for ApiQueryRevisions if rvuser is specified
410 -- and is a logged-in user.
411 CREATE INDEX /*i*/page_user_timestamp
ON /*_*/revision (rev_page
,rev_user
,rev_timestamp
);
414 -- Every time an edit by a logged out user is saved,
415 -- a row is created in ip_changes. This stores
416 -- the IP as a hex representation so that we can more
417 -- easily find edits within an IP range.
419 CREATE TABLE /*_*/ip_changes (
420 -- Foreign key to the revision table, also serves as the unique primary key
421 ipc_rev_id
int unsigned
NOT NULL PRIMARY KEY DEFAULT '0',
423 -- The timestamp of the revision
424 ipc_rev_timestamp
binary(14) NOT NULL DEFAULT '',
426 -- Hex representation of the IP address, as returned by IP::toHex()
427 -- For IPv4 it will resemble: ABCD1234
428 -- For IPv6: v6-ABCD1234000000000000000000000000
429 -- BETWEEN is then used to identify revisions within a given range
430 ipc_hex
varbinary(35) NOT NULL DEFAULT ''
432 ) /*$wgDBTableOptions*/;
434 CREATE INDEX /*i*/ipc_rev_timestamp
ON /*_*/ip_changes (ipc_rev_timestamp
);
435 CREATE INDEX /*i*/ipc_hex_time
ON /*_*/ip_changes (ipc_hex
,ipc_rev_timestamp
);
438 -- Holds text of individual page revisions.
440 -- Field names are a holdover from the 'old' revisions table in
441 -- MediaWiki 1.4 and earlier: an upgrade will transform that
442 -- table into the 'text' table to minimize unnecessary churning
443 -- and downtime. If upgrading, the other fields will be left unused.
445 CREATE TABLE /*_*/text (
446 -- Unique text storage key number.
447 -- Note that the 'oldid' parameter used in URLs does *not*
448 -- refer to this number anymore, but to rev_id.
450 -- revision.rev_text_id is a key to this column
451 old_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
453 -- Depending on the contents of the old_flags field, the text
454 -- may be convenient plain text, or it may be funkily encoded.
455 old_text mediumblob
NOT NULL,
457 -- Comma-separated list of flags:
458 -- gzip: text is compressed with PHP's gzdeflate() function.
459 -- utf-8: text was stored as UTF-8.
460 -- If $wgLegacyEncoding option is on, rows *without* this flag
461 -- will be converted to UTF-8 transparently at load time. Note
462 -- that due to a bug in a maintenance script, this flag may
463 -- have been stored as 'utf8' in some cases (T18841).
464 -- object: text field contained a serialized PHP object.
465 -- The object either contains multiple versions compressed
466 -- together to achieve a better compression ratio, or it refers
467 -- to another row where the text can be found.
468 -- external: text was stored in an external location specified by old_text.
469 -- Any additional flags apply to the data stored at that URL, not
470 -- the URL itself. The 'object' flag is *not* set for URLs of the
471 -- form 'DB://cluster/id/itemid', because the external storage
472 -- system itself decompresses these.
473 old_flags tinyblob
NOT NULL
474 ) /*$wgDBTableOptions*/ MAX_ROWS
=10000000 AVG_ROW_LENGTH
=10240;
475 -- In case tables are created as MyISAM, use row hints for MySQL <5.0 to avoid 4GB limit
479 -- Holding area for deleted articles, which may be viewed
480 -- or restored by admins through the Special:Undelete interface.
481 -- The fields generally correspond to the page, revision, and text
482 -- fields, with several caveats.
484 CREATE TABLE /*_*/archive (
486 ar_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
487 ar_namespace
int NOT NULL default 0,
488 ar_title
varchar(255) binary NOT NULL default '',
490 -- Newly deleted pages will not store text in this table,
491 -- but will reference the separately existing text rows.
492 -- This field is retained for backwards compatibility,
493 -- so old archived pages will remain accessible after
494 -- upgrading from 1.4 to 1.5.
495 -- Text may be gzipped or otherwise funky.
496 ar_text mediumblob
NOT NULL,
498 -- Basic revision stuff...
499 ar_comment
varbinary(767) NOT NULL,
500 ar_user
int unsigned
NOT NULL default 0,
501 ar_user_text
varchar(255) binary NOT NULL,
502 ar_timestamp
binary(14) NOT NULL default '',
503 ar_minor_edit tinyint
NOT NULL default 0,
506 ar_flags tinyblob
NOT NULL,
508 -- When revisions are deleted, their unique rev_id is stored
509 -- here so it can be retained after undeletion. This is necessary
510 -- to retain permalinks to given revisions after accidental delete
511 -- cycles or messy operations like history merges.
513 -- Old entries from 1.4 will be NULL here, and a new rev_id will
514 -- be created on undeletion for those revisions.
515 ar_rev_id
int unsigned
,
517 -- For newly deleted revisions, this is the text.old_id key to the
518 -- actual stored text. To avoid breaking the block-compression scheme
519 -- and otherwise making storage changes harder, the actual text is
520 -- *not* deleted from the text table, merely hidden by removal of the
521 -- page and revision entries.
523 -- Old entries deleted under 1.2-1.4 will have NULL here, and their
524 -- ar_text and ar_flags fields will be used to create a new text
525 -- row upon undeletion.
526 ar_text_id
int unsigned
,
528 -- rev_deleted for archives
529 ar_deleted tinyint unsigned
NOT NULL default 0,
531 -- Length of this revision in bytes
534 -- Reference to page_id. Useful for sysadmin fixing of large pages
535 -- merged together in the archives, or for cleanly restoring a page
536 -- at its original ID number if possible.
538 -- Will be NULL for pages deleted prior to 1.11.
539 ar_page_id
int unsigned
,
541 -- Original previous revision
542 ar_parent_id
int unsigned
default NULL,
544 -- SHA-1 text content hash in base-36
545 ar_sha1
varbinary(32) NOT NULL default '',
547 -- content model, see CONTENT_MODEL_XXX constants
548 ar_content_model
varbinary(32) DEFAULT NULL,
550 -- content format, see CONTENT_FORMAT_XXX constants
551 ar_content_format
varbinary(64) DEFAULT NULL
552 ) /*$wgDBTableOptions*/;
554 -- Index for Special:Undelete to page through deleted revisions
555 CREATE INDEX /*i*/name_title_timestamp
ON /*_*/archive (ar_namespace
,ar_title
,ar_timestamp
);
557 -- Index for Special:DeletedContributions
558 CREATE INDEX /*i*/ar_usertext_timestamp
ON /*_*/archive (ar_user_text
,ar_timestamp
);
560 -- Index for linking archive rows with tables that normally link with revision
561 -- rows, such as change_tag.
562 CREATE INDEX /*i*/ar_revid
ON /*_*/archive (ar_rev_id
);
566 -- Track page-to-page hyperlinks within the wiki.
568 CREATE TABLE /*_*/pagelinks (
569 -- Key to the page_id of the page containing the link.
570 pl_from
int unsigned
NOT NULL default 0,
571 -- Namespace for this page
572 pl_from_namespace
int NOT NULL default 0,
574 -- Key to page_namespace/page_title of the target page.
575 -- The target page may or may not exist, and due to renames
576 -- and deletions may refer to different page records as time
578 pl_namespace
int NOT NULL default 0,
579 pl_title
varchar(255) binary NOT NULL default ''
580 ) /*$wgDBTableOptions*/;
582 -- Forward index, for page edit, save
583 CREATE UNIQUE INDEX /*i*/pl_from
ON /*_*/pagelinks (pl_from
,pl_namespace
,pl_title
);
585 -- Reverse index, for Special:Whatlinkshere
586 CREATE INDEX /*i*/pl_namespace
ON /*_*/pagelinks (pl_namespace
,pl_title
,pl_from
);
588 -- Index for Special:Whatlinkshere with namespace filter
589 CREATE INDEX /*i*/pl_backlinks_namespace
ON /*_*/pagelinks (pl_from_namespace
,pl_namespace
,pl_title
,pl_from
);
593 -- Track template inclusions.
595 CREATE TABLE /*_*/templatelinks (
596 -- Key to the page_id of the page containing the link.
597 tl_from
int unsigned
NOT NULL default 0,
598 -- Namespace for this page
599 tl_from_namespace
int NOT NULL default 0,
601 -- Key to page_namespace/page_title of the target page.
602 -- The target page may or may not exist, and due to renames
603 -- and deletions may refer to different page records as time
605 tl_namespace
int NOT NULL default 0,
606 tl_title
varchar(255) binary NOT NULL default ''
607 ) /*$wgDBTableOptions*/;
609 -- Forward index, for page edit, save
610 CREATE UNIQUE INDEX /*i*/tl_from
ON /*_*/templatelinks (tl_from
,tl_namespace
,tl_title
);
612 -- Reverse index, for Special:Whatlinkshere
613 CREATE INDEX /*i*/tl_namespace
ON /*_*/templatelinks (tl_namespace
,tl_title
,tl_from
);
615 -- Index for Special:Whatlinkshere with namespace filter
616 CREATE INDEX /*i*/tl_backlinks_namespace
ON /*_*/templatelinks (tl_from_namespace
,tl_namespace
,tl_title
,tl_from
);
620 -- Track links to images *used inline*
621 -- We don't distinguish live from broken links here, so
622 -- they do not need to be changed on upload/removal.
624 CREATE TABLE /*_*/imagelinks (
625 -- Key to page_id of the page containing the image / media link.
626 il_from
int unsigned
NOT NULL default 0,
627 -- Namespace for this page
628 il_from_namespace
int NOT NULL default 0,
630 -- Filename of target image.
631 -- This is also the page_title of the file's description page;
632 -- all such pages are in namespace 6 (NS_FILE).
633 il_to
varchar(255) binary NOT NULL default ''
634 ) /*$wgDBTableOptions*/;
636 -- Forward index, for cache invalidation on file update, etc.
637 CREATE UNIQUE INDEX /*i*/il_from
ON /*_*/imagelinks (il_from
,il_to
);
639 -- Reverse index, for Special:Whatlinkshere and file description page local usage
640 CREATE INDEX /*i*/il_to
ON /*_*/imagelinks (il_to
,il_from
);
642 -- Index for Special:Whatlinkshere with namespace filter
643 CREATE INDEX /*i*/il_backlinks_namespace
ON /*_*/imagelinks (il_from_namespace
,il_to
,il_from
);
647 -- Track category inclusions *used inline*
648 -- This tracks a single level of category membership
650 CREATE TABLE /*_*/categorylinks (
651 -- Key to page_id of the page defined as a category member.
652 cl_from
int unsigned
NOT NULL default 0,
654 -- Name of the category.
655 -- This is also the page_title of the category's description page;
656 -- all such pages are in namespace 14 (NS_CATEGORY).
657 cl_to
varchar(255) binary NOT NULL default '',
659 -- A binary string obtained by applying a sortkey generation algorithm
660 -- (Collation::getSortKey()) to page_title, or cl_sortkey_prefix . "\n"
661 -- . page_title if cl_sortkey_prefix is nonempty.
662 cl_sortkey
varbinary(230) NOT NULL default '',
664 -- A prefix for the raw sortkey manually specified by the user, either via
665 -- [[Category:Foo|prefix]] or {{defaultsort:prefix}}. If nonempty, it's
666 -- concatenated with a line break followed by the page title before the sortkey
667 -- conversion algorithm is run. We store this so that we can update
668 -- collations without reparsing all pages.
669 -- Note: If you change the length of this field, you also need to change
670 -- code in LinksUpdate.php. See T27254.
671 cl_sortkey_prefix
varchar(255) binary NOT NULL default '',
673 -- This isn't really used at present. Provided for an optional
674 -- sorting method by approximate addition time.
675 cl_timestamp
timestamp NOT NULL,
677 -- Stores $wgCategoryCollation at the time cl_sortkey was generated. This
678 -- can be used to install new collation versions, tracking which rows are not
679 -- yet updated. '' means no collation, this is a legacy row that needs to be
680 -- updated by updateCollation.php. In the future, it might be possible to
681 -- specify different collations per category.
682 cl_collation
varbinary(32) NOT NULL default '',
684 -- Stores whether cl_from is a category, file, or other page, so we can
685 -- paginate the three categories separately. This never has to be updated
686 -- after the page is created, since none of these page types can be moved to
688 cl_type
ENUM('page', 'subcat', 'file') NOT NULL default 'page'
689 ) /*$wgDBTableOptions*/;
691 CREATE UNIQUE INDEX /*i*/cl_from
ON /*_*/categorylinks (cl_from
,cl_to
);
693 -- We always sort within a given category, and within a given type. FIXME:
694 -- Formerly this index didn't cover cl_type (since that didn't exist), so old
695 -- callers won't be using an index: fix this?
696 CREATE INDEX /*i*/cl_sortkey
ON /*_*/categorylinks (cl_to
,cl_type
,cl_sortkey
,cl_from
);
698 -- Used by the API (and some extensions)
699 CREATE INDEX /*i*/cl_timestamp
ON /*_*/categorylinks (cl_to
,cl_timestamp
);
701 -- Used when updating collation (e.g. updateCollation.php)
702 CREATE INDEX /*i*/cl_collation_ext
ON /*_*/categorylinks (cl_collation
, cl_to
, cl_type
, cl_from
);
705 -- Track all existing categories. Something is a category if 1) it has an entry
706 -- somewhere in categorylinks, or 2) it has a description page. Categories
707 -- might not have corresponding pages, so they need to be tracked separately.
709 CREATE TABLE /*_*/category (
711 cat_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
713 -- Name of the category, in the same form as page_title (with underscores).
714 -- If there is a category page corresponding to this category, by definition,
715 -- it has this name (in the Category namespace).
716 cat_title
varchar(255) binary NOT NULL,
718 -- The numbers of member pages (including categories and media), subcatego-
719 -- ries, and Image: namespace members, respectively. These are signed to
720 -- make underflow more obvious. We make the first number include the second
721 -- two for better sorting: subtracting for display is easy, adding for order-
723 cat_pages
int signed
NOT NULL default 0,
724 cat_subcats
int signed
NOT NULL default 0,
725 cat_files
int signed
NOT NULL default 0
726 ) /*$wgDBTableOptions*/;
728 CREATE UNIQUE INDEX /*i*/cat_title
ON /*_*/category (cat_title
);
730 -- For Special:Mostlinkedcategories
731 CREATE INDEX /*i*/cat_pages
ON /*_*/category (cat_pages
);
735 -- Track links to external URLs
737 CREATE TABLE /*_*/externallinks (
739 el_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
741 -- page_id of the referring page
742 el_from
int unsigned
NOT NULL default 0,
747 -- In the case of HTTP URLs, this is the URL with any username or password
748 -- removed, and with the labels in the hostname reversed and converted to
749 -- lower case. An extra dot is added to allow for matching of either
750 -- example.com or *.example.com in a single scan.
752 -- http://user:password@sub.example.com/page.html
754 -- http://com.example.sub./page.html
755 -- which allows for fast searching for all pages under example.com with the
757 -- WHERE el_index LIKE 'http://com.example.%'
758 el_index
blob NOT NULL,
760 -- This is el_index truncated to 60 bytes to allow for sortable queries that
761 -- aren't supported by a partial index.
762 -- @todo Drop the default once this is deployed everywhere and code is populating it.
763 el_index_60
varbinary(60) NOT NULL default ''
764 ) /*$wgDBTableOptions*/;
766 -- Forward index, for page edit, save
767 CREATE INDEX /*i*/el_from
ON /*_*/externallinks (el_from
, el_to(40));
769 -- Index for Special:LinkSearch exact search
770 CREATE INDEX /*i*/el_to
ON /*_*/externallinks (el_to(60), el_from
);
772 -- For Special:LinkSearch wildcard search
773 CREATE INDEX /*i*/el_index
ON /*_*/externallinks (el_index(60));
775 -- For Special:LinkSearch wildcard search with efficient paging by el_id
776 CREATE INDEX /*i*/el_index_60
ON /*_*/externallinks (el_index_60
, el_id
);
777 CREATE INDEX /*i*/el_from_index_60
ON /*_*/externallinks (el_from
, el_index_60
, el_id
);
780 -- Track interlanguage links
782 CREATE TABLE /*_*/langlinks (
783 -- page_id of the referring page
784 ll_from
int unsigned
NOT NULL default 0,
786 -- Language code of the target
787 ll_lang
varbinary(20) NOT NULL default '',
789 -- Title of the target, including namespace
790 ll_title
varchar(255) binary NOT NULL default ''
791 ) /*$wgDBTableOptions*/;
793 -- Forward index, for page edit, save, ApiQueryLanglinks
794 CREATE UNIQUE INDEX /*i*/ll_from
ON /*_*/langlinks (ll_from
, ll_lang
);
796 -- Index for ApiQueryLangbacklinks
797 CREATE INDEX /*i*/ll_lang
ON /*_*/langlinks (ll_lang
, ll_title
);
801 -- Track inline interwiki links
803 CREATE TABLE /*_*/iwlinks (
804 -- page_id of the referring page
805 iwl_from
int unsigned
NOT NULL default 0,
807 -- Interwiki prefix code of the target
808 iwl_prefix
varbinary(20) NOT NULL default '',
810 -- Title of the target, including namespace
811 iwl_title
varchar(255) binary NOT NULL default ''
812 ) /*$wgDBTableOptions*/;
814 -- Forward index, for page edit, save, ApiQueryIWLinks
815 CREATE UNIQUE INDEX /*i*/iwl_from
ON /*_*/iwlinks (iwl_from
, iwl_prefix
, iwl_title
);
817 -- Index for ApiQueryIWBacklinks
818 CREATE INDEX /*i*/iwl_prefix_title_from
ON /*_*/iwlinks (iwl_prefix
, iwl_title
, iwl_from
);
820 -- Index for ApiQueryIWLinks
821 CREATE INDEX /*i*/iwl_prefix_from_title
ON /*_*/iwlinks (iwl_prefix
, iwl_from
, iwl_title
);
825 -- Contains a single row with some aggregate info
826 -- on the state of the site.
828 CREATE TABLE /*_*/site_stats (
829 -- The single row should contain 1 here.
830 ss_row_id
int unsigned
NOT NULL,
832 -- Total number of edits performed.
833 ss_total_edits
bigint unsigned
default 0,
835 -- An approximate count of pages matching the following criteria:
838 -- * contains the text '[['
839 -- See Article::isCountable() in includes/Article.php
840 ss_good_articles
bigint unsigned
default 0,
842 -- Total pages, theoretically equal to SELECT COUNT(*) FROM page; except faster
843 ss_total_pages
bigint default '-1',
845 -- Number of users, theoretically equal to SELECT COUNT(*) FROM user;
846 ss_users
bigint default '-1',
848 -- Number of users that still edit
849 ss_active_users
bigint default '-1',
851 -- Number of images, equivalent to SELECT COUNT(*) FROM image
852 ss_images
int default 0
853 ) /*$wgDBTableOptions*/;
855 -- Pointless index to assuage developer superstitions
856 CREATE UNIQUE INDEX /*i*/ss_row_id
ON /*_*/site_stats (ss_row_id
);
859 -- The internet is full of jerks, alas. Sometimes it's handy
860 -- to block a vandal or troll account.
862 CREATE TABLE /*_*/ipblocks (
863 -- Primary key, introduced for privacy.
864 ipb_id
int NOT NULL PRIMARY KEY AUTO_INCREMENT
,
866 -- Blocked IP address in dotted-quad form or user name.
867 ipb_address tinyblob
NOT NULL,
869 -- Blocked user ID or 0 for IP blocks.
870 ipb_user
int unsigned
NOT NULL default 0,
872 -- User ID who made the block.
873 ipb_by
int unsigned
NOT NULL default 0,
875 -- User name of blocker
876 ipb_by_text
varchar(255) binary NOT NULL default '',
878 -- Text comment made by blocker.
879 ipb_reason
varbinary(767) NOT NULL,
881 -- Creation (or refresh) date in standard YMDHMS form.
882 -- IP blocks expire automatically.
883 ipb_timestamp
binary(14) NOT NULL default '',
885 -- Indicates that the IP address was banned because a banned
886 -- user accessed a page through it. If this is 1, ipb_address
887 -- will be hidden, and the block identified by block ID number.
888 ipb_auto bool
NOT NULL default 0,
890 -- If set to 1, block applies only to logged-out users
891 ipb_anon_only bool
NOT NULL default 0,
893 -- Block prevents account creation from matching IP addresses
894 ipb_create_account bool
NOT NULL default 1,
896 -- Block triggers autoblocks
897 ipb_enable_autoblock bool
NOT NULL default '1',
899 -- Time at which the block will expire.
901 ipb_expiry
varbinary(14) NOT NULL default '',
903 -- Start and end of an address range, in hexadecimal
904 -- Size chosen to allow IPv6
905 -- FIXME: these fields were originally blank for single-IP blocks,
906 -- but now they are populated. No migration was ever done. They
907 -- should be fixed to be blank again for such blocks (T51504).
908 ipb_range_start tinyblob
NOT NULL,
909 ipb_range_end tinyblob
NOT NULL,
911 -- Flag for entries hidden from users and Sysops
912 ipb_deleted bool
NOT NULL default 0,
914 -- Block prevents user from accessing Special:Emailuser
915 ipb_block_email bool
NOT NULL default 0,
917 -- Block allows user to edit their own talk page
918 ipb_allow_usertalk bool
NOT NULL default 0,
920 -- ID of the block that caused this block to exist
921 -- Autoblocks set this to the original block
922 -- so that the original block being deleted also
923 -- deletes the autoblocks
924 ipb_parent_block_id
int default NULL
926 ) /*$wgDBTableOptions*/;
928 -- Unique index to support "user already blocked" messages
929 -- Any new options which prevent collisions should be included
930 CREATE UNIQUE INDEX /*i*/ipb_address
ON /*_*/ipblocks (ipb_address(255), ipb_user
, ipb_auto
, ipb_anon_only
);
932 -- For querying whether a logged-in user is blocked
933 CREATE INDEX /*i*/ipb_user
ON /*_*/ipblocks (ipb_user
);
935 -- For querying whether an IP address is in any range
936 CREATE INDEX /*i*/ipb_range
ON /*_*/ipblocks (ipb_range_start(8), ipb_range_end(8));
938 -- Index for Special:BlockList
939 CREATE INDEX /*i*/ipb_timestamp
ON /*_*/ipblocks (ipb_timestamp
);
941 -- Index for table pruning
942 CREATE INDEX /*i*/ipb_expiry
ON /*_*/ipblocks (ipb_expiry
);
944 -- Index for removing autoblocks when a parent block is removed
945 CREATE INDEX /*i*/ipb_parent_block_id
ON /*_*/ipblocks (ipb_parent_block_id
);
949 -- Uploaded images and other files.
951 CREATE TABLE /*_*/image (
953 -- This is also the title of the associated description page,
954 -- which will be in namespace 6 (NS_FILE).
955 img_name
varchar(255) binary NOT NULL default '' PRIMARY KEY,
957 -- File size in bytes.
958 img_size
int unsigned
NOT NULL default 0,
960 -- For images, size in pixels.
961 img_width
int NOT NULL default 0,
962 img_height
int NOT NULL default 0,
964 -- Extracted Exif metadata stored as a serialized PHP array.
965 img_metadata mediumblob
NOT NULL,
967 -- For images, bits per pixel if known.
968 img_bits
int NOT NULL default 0,
970 -- Media type as defined by the MEDIATYPE_xxx constants
971 img_media_type
ENUM("UNKNOWN", "BITMAP", "DRAWING", "AUDIO", "VIDEO", "MULTIMEDIA", "OFFICE", "TEXT", "EXECUTABLE", "ARCHIVE", "3D") default NULL,
973 -- major part of a MIME media type as defined by IANA
974 -- see https://www.iana.org/assignments/media-types/
975 -- for "chemical" cf. http://dx.doi.org/10.1021/ci9803233 by the ACS
976 img_major_mime
ENUM("unknown", "application", "audio", "image", "text", "video", "message", "model", "multipart", "chemical") NOT NULL default "unknown",
978 -- minor part of a MIME media type as defined by IANA
979 -- the minor parts are not required to adher to any standard
980 -- but should be consistent throughout the database
981 -- see https://www.iana.org/assignments/media-types/
982 img_minor_mime
varbinary(100) NOT NULL default "unknown",
984 -- Description field as entered by the uploader.
985 -- This is displayed in image upload history and logs.
986 img_description
varbinary(767) NOT NULL,
988 -- user_id and user_name of uploader.
989 img_user
int unsigned
NOT NULL default 0,
990 img_user_text
varchar(255) binary NOT NULL,
992 -- Time of the upload.
993 img_timestamp
varbinary(14) NOT NULL default '',
995 -- SHA-1 content hash in base-36
996 img_sha1
varbinary(32) NOT NULL default ''
997 ) /*$wgDBTableOptions*/;
999 -- Used by Special:Newimages and ApiQueryAllImages
1000 CREATE INDEX /*i*/img_user_timestamp
ON /*_*/image (img_user
,img_timestamp
);
1001 CREATE INDEX /*i*/img_usertext_timestamp
ON /*_*/image (img_user_text
,img_timestamp
);
1002 -- Used by Special:ListFiles for sort-by-size
1003 CREATE INDEX /*i*/img_size
ON /*_*/image (img_size
);
1004 -- Used by Special:Newimages and Special:ListFiles
1005 CREATE INDEX /*i*/img_timestamp
ON /*_*/image (img_timestamp
);
1006 -- Used in API and duplicate search
1007 CREATE INDEX /*i*/img_sha1
ON /*_*/image (img_sha1(10));
1008 -- Used to get media of one type
1009 CREATE INDEX /*i*/img_media_mime
ON /*_*/image (img_media_type
,img_major_mime
,img_minor_mime
);
1013 -- Previous revisions of uploaded files.
1014 -- Awkwardly, image rows have to be moved into
1015 -- this table at re-upload time.
1017 CREATE TABLE /*_*/oldimage (
1018 -- Base filename: key to image.img_name
1019 oi_name
varchar(255) binary NOT NULL default '',
1021 -- Filename of the archived file.
1022 -- This is generally a timestamp and '!' prepended to the base name.
1023 oi_archive_name
varchar(255) binary NOT NULL default '',
1025 -- Other fields as in image...
1026 oi_size
int unsigned
NOT NULL default 0,
1027 oi_width
int NOT NULL default 0,
1028 oi_height
int NOT NULL default 0,
1029 oi_bits
int NOT NULL default 0,
1030 oi_description
varbinary(767) NOT NULL,
1031 oi_user
int unsigned
NOT NULL default 0,
1032 oi_user_text
varchar(255) binary NOT NULL,
1033 oi_timestamp
binary(14) NOT NULL default '',
1035 oi_metadata mediumblob
NOT NULL,
1036 oi_media_type
ENUM("UNKNOWN", "BITMAP", "DRAWING", "AUDIO", "VIDEO", "MULTIMEDIA", "OFFICE", "TEXT", "EXECUTABLE", "ARCHIVE", "3D") default NULL,
1037 oi_major_mime
ENUM("unknown", "application", "audio", "image", "text", "video", "message", "model", "multipart", "chemical") NOT NULL default "unknown",
1038 oi_minor_mime
varbinary(100) NOT NULL default "unknown",
1039 oi_deleted tinyint unsigned
NOT NULL default 0,
1040 oi_sha1
varbinary(32) NOT NULL default ''
1041 ) /*$wgDBTableOptions*/;
1043 CREATE INDEX /*i*/oi_usertext_timestamp
ON /*_*/oldimage (oi_user_text
,oi_timestamp
);
1044 CREATE INDEX /*i*/oi_name_timestamp
ON /*_*/oldimage (oi_name
,oi_timestamp
);
1045 -- oi_archive_name truncated to 14 to avoid key length overflow
1046 CREATE INDEX /*i*/oi_name_archive_name
ON /*_*/oldimage (oi_name
,oi_archive_name(14));
1047 CREATE INDEX /*i*/oi_sha1
ON /*_*/oldimage (oi_sha1(10));
1051 -- Record of deleted file data
1053 CREATE TABLE /*_*/filearchive (
1055 fa_id
int NOT NULL PRIMARY KEY AUTO_INCREMENT
,
1057 -- Original base filename; key to image.img_name, page.page_title, etc
1058 fa_name
varchar(255) binary NOT NULL default '',
1060 -- Filename of archived file, if an old revision
1061 fa_archive_name
varchar(255) binary default '',
1063 -- Which storage bin (directory tree or object store) the file data
1064 -- is stored in. Should be 'deleted' for files that have been deleted;
1065 -- any other bin is not yet in use.
1066 fa_storage_group
varbinary(16),
1068 -- SHA-1 of the file contents plus extension, used as a key for storage.
1069 -- eg 8f8a562add37052a1848ff7771a2c515db94baa9.jpg
1071 -- If NULL, the file was missing at deletion time or has been purged
1072 -- from the archival storage.
1073 fa_storage_key
varbinary(64) default '',
1075 -- Deletion information, if this file is deleted.
1076 fa_deleted_user
int,
1077 fa_deleted_timestamp
binary(14) default '',
1078 fa_deleted_reason
varbinary(767) default '',
1080 -- Duped fields from image
1081 fa_size
int unsigned
default 0,
1082 fa_width
int default 0,
1083 fa_height
int default 0,
1084 fa_metadata mediumblob
,
1085 fa_bits
int default 0,
1086 fa_media_type
ENUM("UNKNOWN", "BITMAP", "DRAWING", "AUDIO", "VIDEO", "MULTIMEDIA", "OFFICE", "TEXT", "EXECUTABLE", "ARCHIVE", "3D") default NULL,
1087 fa_major_mime
ENUM("unknown", "application", "audio", "image", "text", "video", "message", "model", "multipart", "chemical") default "unknown",
1088 fa_minor_mime
varbinary(100) default "unknown",
1089 fa_description
varbinary(767),
1090 fa_user
int unsigned
default 0,
1091 fa_user_text
varchar(255) binary,
1092 fa_timestamp
binary(14) default '',
1094 -- Visibility of deleted revisions, bitfield
1095 fa_deleted tinyint unsigned
NOT NULL default 0,
1097 -- sha1 hash of file content
1098 fa_sha1
varbinary(32) NOT NULL default ''
1099 ) /*$wgDBTableOptions*/;
1101 -- pick out by image name
1102 CREATE INDEX /*i*/fa_name
ON /*_*/filearchive (fa_name
, fa_timestamp
);
1103 -- pick out dupe files
1104 CREATE INDEX /*i*/fa_storage_group
ON /*_*/filearchive (fa_storage_group
, fa_storage_key
);
1105 -- sort by deletion time
1106 CREATE INDEX /*i*/fa_deleted_timestamp
ON /*_*/filearchive (fa_deleted_timestamp
);
1108 CREATE INDEX /*i*/fa_user_timestamp
ON /*_*/filearchive (fa_user_text
,fa_timestamp
);
1109 -- find file by sha1, 10 bytes will be enough for hashes to be indexed
1110 CREATE INDEX /*i*/fa_sha1
ON /*_*/filearchive (fa_sha1(10));
1114 -- Store information about newly uploaded files before they're
1115 -- moved into the actual filestore
1117 CREATE TABLE /*_*/uploadstash (
1118 us_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
1120 -- the user who uploaded the file.
1121 us_user
int unsigned
NOT NULL,
1123 -- file key. this is how applications actually search for the file.
1124 -- this might go away, or become the primary key.
1125 us_key
varchar(255) NOT NULL,
1127 -- the original path
1128 us_orig_path
varchar(255) NOT NULL,
1130 -- the temporary path at which the file is actually stored
1131 us_path
varchar(255) NOT NULL,
1133 -- which type of upload the file came from (sometimes)
1134 us_source_type
varchar(50),
1136 -- the date/time on which the file was added
1137 us_timestamp
varbinary(14) NOT NULL,
1139 us_status
varchar(50) NOT NULL,
1141 -- chunk counter starts at 0, current offset is stored in us_size
1142 us_chunk_inx
int unsigned
NULL,
1144 -- Serialized file properties from FSFile::getProps()
1147 -- file size in bytes
1148 us_size
int unsigned
NOT NULL,
1149 -- this hash comes from FSFile::getSha1Base36(), and is 31 characters
1150 us_sha1
varchar(31) NOT NULL,
1151 us_mime
varchar(255),
1152 -- Media type as defined by the MEDIATYPE_xxx constants, should duplicate definition in the image table
1153 us_media_type
ENUM("UNKNOWN", "BITMAP", "DRAWING", "AUDIO", "VIDEO", "MULTIMEDIA", "OFFICE", "TEXT", "EXECUTABLE", "ARCHIVE", "3D") default NULL,
1154 -- image-specific properties
1155 us_image_width
int unsigned
,
1156 us_image_height
int unsigned
,
1157 us_image_bits
smallint unsigned
1159 ) /*$wgDBTableOptions*/;
1161 -- sometimes there's a delete for all of a user's stuff.
1162 CREATE INDEX /*i*/us_user
ON /*_*/uploadstash (us_user
);
1163 -- pick out files by key, enforce key uniqueness
1164 CREATE UNIQUE INDEX /*i*/us_key
ON /*_*/uploadstash (us_key
);
1165 -- the abandoned upload cleanup script needs this
1166 CREATE INDEX /*i*/us_timestamp
ON /*_*/uploadstash (us_timestamp
);
1170 -- Primarily a summary table for Special:Recentchanges,
1171 -- this table contains some additional info on edits from
1172 -- the last few days, see Article::editUpdates()
1174 CREATE TABLE /*_*/recentchanges (
1175 rc_id
int NOT NULL PRIMARY KEY AUTO_INCREMENT
,
1176 rc_timestamp
varbinary(14) NOT NULL default '',
1179 rc_user
int unsigned
NOT NULL default 0,
1180 rc_user_text
varchar(255) binary NOT NULL,
1182 -- When pages are renamed, their RC entries do _not_ change.
1183 rc_namespace
int NOT NULL default 0,
1184 rc_title
varchar(255) binary NOT NULL default '',
1186 -- as in revision...
1187 rc_comment
varbinary(767) NOT NULL default '',
1188 rc_minor tinyint unsigned
NOT NULL default 0,
1190 -- Edits by user accounts with the 'bot' rights key are
1191 -- marked with a 1 here, and will be hidden from the
1193 rc_bot tinyint unsigned
NOT NULL default 0,
1195 -- Set if this change corresponds to a page creation
1196 rc_new tinyint unsigned
NOT NULL default 0,
1198 -- Key to page_id (was cur_id prior to 1.5).
1199 -- This will keep links working after moves while
1200 -- retaining the at-the-time name in the changes list.
1201 rc_cur_id
int unsigned
NOT NULL default 0,
1203 -- rev_id of the given revision
1204 rc_this_oldid
int unsigned
NOT NULL default 0,
1206 -- rev_id of the prior revision, for generating diff links.
1207 rc_last_oldid
int unsigned
NOT NULL default 0,
1209 -- The type of change entry (RC_EDIT,RC_NEW,RC_LOG,RC_EXTERNAL)
1210 rc_type tinyint unsigned
NOT NULL default 0,
1212 -- The source of the change entry (replaces rc_type)
1213 -- default of '' is temporary, needed for initial migration
1214 rc_source
varchar(16) binary not null default '',
1216 -- If the Recent Changes Patrol option is enabled,
1217 -- users may mark edits as having been reviewed to
1218 -- remove a warning flag on the RC list.
1219 -- A value of 1 indicates the page has been reviewed.
1220 rc_patrolled tinyint unsigned
NOT NULL default 0,
1222 -- Recorded IP address the edit was made from, if the
1223 -- $wgPutIPinRC option is enabled.
1224 rc_ip
varbinary(40) NOT NULL default '',
1226 -- Text length in characters before
1227 -- and after the edit
1231 -- Visibility of recent changes items, bitfield
1232 rc_deleted tinyint unsigned
NOT NULL default 0,
1234 -- Value corresponding to log_id, specific log entries
1235 rc_logid
int unsigned
NOT NULL default 0,
1236 -- Store log type info here, or null
1237 rc_log_type
varbinary(255) NULL default NULL,
1238 -- Store log action or null
1239 rc_log_action
varbinary(255) NULL default NULL,
1242 ) /*$wgDBTableOptions*/;
1244 -- Special:Recentchanges
1245 CREATE INDEX /*i*/rc_timestamp
ON /*_*/recentchanges (rc_timestamp
);
1247 -- Special:Watchlist
1248 CREATE INDEX /*i*/rc_namespace_title
ON /*_*/recentchanges (rc_namespace
, rc_title
);
1250 -- Special:Recentchangeslinked when finding changes in pages linked from a page
1251 CREATE INDEX /*i*/rc_cur_id
ON /*_*/recentchanges (rc_cur_id
);
1254 CREATE INDEX /*i*/new_name_timestamp
ON /*_*/recentchanges (rc_new
,rc_namespace
,rc_timestamp
);
1256 -- Blank unless $wgPutIPinRC=true (false at WMF), possibly used by extensions,
1257 -- but mostly replaced by CheckUser.
1258 CREATE INDEX /*i*/rc_ip
ON /*_*/recentchanges (rc_ip
);
1260 -- Probably intended for Special:NewPages namespace filter
1261 CREATE INDEX /*i*/rc_ns_usertext
ON /*_*/recentchanges (rc_namespace
, rc_user_text
);
1263 -- SiteStats active user count, Special:ActiveUsers, Special:NewPages user filter
1264 CREATE INDEX /*i*/rc_user_text
ON /*_*/recentchanges (rc_user_text
, rc_timestamp
);
1266 -- ApiQueryRecentChanges (T140108)
1267 CREATE INDEX /*i*/rc_name_type_patrolled_timestamp
ON /*_*/recentchanges (rc_namespace
, rc_type
, rc_patrolled
, rc_timestamp
);
1270 CREATE TABLE /*_*/watchlist (
1271 wl_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
1272 -- Key to user.user_id
1273 wl_user
int unsigned
NOT NULL,
1275 -- Key to page_namespace/page_title
1276 -- Note that users may watch pages which do not exist yet,
1277 -- or existed in the past but have been deleted.
1278 wl_namespace
int NOT NULL default 0,
1279 wl_title
varchar(255) binary NOT NULL default '',
1281 -- Timestamp used to send notification e-mails and show "updated since last visit" markers on
1282 -- history and recent changes / watchlist. Set to NULL when the user visits the latest revision
1283 -- of the page, which means that they should be sent an e-mail on the next change.
1284 wl_notificationtimestamp
varbinary(14)
1286 ) /*$wgDBTableOptions*/;
1288 -- Special:Watchlist
1289 CREATE UNIQUE INDEX /*i*/wl_user
ON /*_*/watchlist (wl_user
, wl_namespace
, wl_title
);
1291 -- Special:Movepage (WatchedItemStore::duplicateEntry)
1292 CREATE INDEX /*i*/namespace_title
ON /*_*/watchlist (wl_namespace
, wl_title
);
1294 -- ApiQueryWatchlistRaw changed filter
1295 CREATE INDEX /*i*/wl_user_notificationtimestamp
ON /*_*/watchlist (wl_user
, wl_notificationtimestamp
);
1299 -- When using the default MySQL search backend, page titles
1300 -- and text are munged to strip markup, do Unicode case folding,
1301 -- and prepare the result for MySQL's fulltext index.
1303 -- This table must be MyISAM; InnoDB does not support the needed
1306 CREATE TABLE /*_*/searchindex (
1308 si_page
int unsigned
NOT NULL,
1310 -- Munged version of title
1311 si_title
varchar(255) NOT NULL default '',
1313 -- Munged version of body text
1314 si_text mediumtext
NOT NULL
1315 ) ENGINE
=MyISAM
DEFAULT CHARSET
=utf8
;
1317 CREATE UNIQUE INDEX /*i*/si_page
ON /*_*/searchindex (si_page
);
1318 CREATE FULLTEXT
INDEX /*i*/si_title
ON /*_*/searchindex (si_title
);
1319 CREATE FULLTEXT
INDEX /*i*/si_text
ON /*_*/searchindex (si_text
);
1323 -- Recognized interwiki link prefixes
1325 CREATE TABLE /*_*/interwiki (
1326 -- The interwiki prefix, (e.g. "Meatball", or the language prefix "de")
1327 iw_prefix
varchar(32) NOT NULL,
1329 -- The URL of the wiki, with "$1" as a placeholder for an article name.
1330 -- Any spaces in the name will be transformed to underscores before
1332 iw_url
blob NOT NULL,
1334 -- The URL of the file api.php
1335 iw_api
blob NOT NULL,
1337 -- The name of the database (for a connection to be established with wfGetLB( 'wikiid' ))
1338 iw_wikiid
varchar(64) NOT NULL,
1340 -- A boolean value indicating whether the wiki is in this project
1341 -- (used, for example, to detect redirect loops)
1342 iw_local bool
NOT NULL,
1344 -- Boolean value indicating whether interwiki transclusions are allowed.
1345 iw_trans tinyint
NOT NULL default 0
1346 ) /*$wgDBTableOptions*/;
1348 CREATE UNIQUE INDEX /*i*/iw_prefix
ON /*_*/interwiki (iw_prefix
);
1352 -- Used for caching expensive grouped queries
1354 CREATE TABLE /*_*/querycache (
1355 -- A key name, generally the base name of of the special page.
1356 qc_type
varbinary(32) NOT NULL,
1358 -- Some sort of stored value. Sizes, counts...
1359 qc_value
int unsigned
NOT NULL default 0,
1361 -- Target namespace+title
1362 qc_namespace
int NOT NULL default 0,
1363 qc_title
varchar(255) binary NOT NULL default ''
1364 ) /*$wgDBTableOptions*/;
1366 CREATE INDEX /*i*/qc_type
ON /*_*/querycache (qc_type
,qc_value
);
1370 -- For a few generic cache operations if not using Memcached
1372 CREATE TABLE /*_*/objectcache (
1373 keyname
varbinary(255) NOT NULL default '' PRIMARY KEY,
1376 ) /*$wgDBTableOptions*/;
1377 CREATE INDEX /*i*/exptime
ON /*_*/objectcache (exptime
);
1381 -- Cache of interwiki transclusion
1383 CREATE TABLE /*_*/transcache (
1384 tc_url
varbinary(255) NOT NULL,
1386 tc_time
binary(14) NOT NULL
1387 ) /*$wgDBTableOptions*/;
1389 CREATE UNIQUE INDEX /*i*/tc_url_idx
ON /*_*/transcache (tc_url
);
1392 CREATE TABLE /*_*/logging (
1393 -- Log ID, for referring to this specific log entry, probably for deletion and such.
1394 log_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
1396 -- Symbolic keys for the general log type and the action type
1397 -- within the log. The output format will be controlled by the
1398 -- action field, but only the type controls categorization.
1399 log_type
varbinary(32) NOT NULL default '',
1400 log_action
varbinary(32) NOT NULL default '',
1403 log_timestamp
binary(14) NOT NULL default '19700101000000',
1405 -- The user who performed this action; key to user_id
1406 log_user
int unsigned
NOT NULL default 0,
1408 -- Name of the user who performed this action
1409 log_user_text
varchar(255) binary NOT NULL default '',
1411 -- Key to the page affected. Where a user is the target,
1412 -- this will point to the user page.
1413 log_namespace
int NOT NULL default 0,
1414 log_title
varchar(255) binary NOT NULL default '',
1415 log_page
int unsigned
NULL,
1417 -- Freeform text. Interpreted as edit history comments.
1418 log_comment
varbinary(767) NOT NULL default '',
1420 -- miscellaneous parameters:
1421 -- LF separated list (old system) or serialized PHP array (new system)
1422 log_params
blob NOT NULL,
1424 -- rev_deleted for logs
1425 log_deleted tinyint unsigned
NOT NULL default 0
1426 ) /*$wgDBTableOptions*/;
1428 -- Special:Log type filter
1429 CREATE INDEX /*i*/type_time
ON /*_*/logging (log_type
, log_timestamp
);
1431 -- Special:Log performer filter
1432 CREATE INDEX /*i*/user_time
ON /*_*/logging (log_user
, log_timestamp
);
1434 -- Special:Log title filter, log extract
1435 CREATE INDEX /*i*/page_time
ON /*_*/logging (log_namespace
, log_title
, log_timestamp
);
1437 -- Special:Log unfiltered
1438 CREATE INDEX /*i*/times
ON /*_*/logging (log_timestamp
);
1440 -- Special:Log filter by performer and type
1441 CREATE INDEX /*i*/log_user_type_time
ON /*_*/logging (log_user
, log_type
, log_timestamp
);
1443 -- Apparently just used for a few maintenance pages (findMissingFiles.php, Flow).
1444 -- Could be removed?
1445 CREATE INDEX /*i*/log_page_id_time
ON /*_*/logging (log_page
,log_timestamp
);
1447 -- Special:Log action filter
1448 CREATE INDEX /*i*/type_action
ON /*_*/logging (log_type
, log_action
, log_timestamp
);
1450 -- Special:Log filter by type and anonymous performer
1451 CREATE INDEX /*i*/log_user_text_type_time
ON /*_*/logging (log_user_text
, log_type
, log_timestamp
);
1453 -- Special:Log filter by anonymous performer
1454 CREATE INDEX /*i*/log_user_text_time
ON /*_*/logging (log_user_text
, log_timestamp
);
1457 CREATE TABLE /*_*/log_search (
1458 -- The type of ID (rev ID, log ID, rev timestamp, username)
1459 ls_field
varbinary(32) NOT NULL,
1460 -- The value of the ID
1461 ls_value
varchar(255) NOT NULL,
1463 ls_log_id
int unsigned
NOT NULL default 0
1464 ) /*$wgDBTableOptions*/;
1465 CREATE UNIQUE INDEX /*i*/ls_field_val
ON /*_*/log_search (ls_field
,ls_value
,ls_log_id
);
1466 CREATE INDEX /*i*/ls_log_id
ON /*_*/log_search (ls_log_id
);
1469 -- Jobs performed by parallel apache threads or a command-line daemon
1470 CREATE TABLE /*_*/job (
1471 job_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
1474 -- Limited to 60 to prevent key length overflow
1475 job_cmd
varbinary(60) NOT NULL default '',
1477 -- Namespace and title to act on
1478 -- Should be 0 and '' if the command does not operate on a title
1479 job_namespace
int NOT NULL,
1480 job_title
varchar(255) binary NOT NULL,
1482 -- Timestamp of when the job was inserted
1483 -- NULL for jobs added before addition of the timestamp
1484 job_timestamp
varbinary(14) NULL default NULL,
1486 -- Any other parameters to the command
1487 -- Stored as a PHP serialized array, or an empty string if there are no parameters
1488 job_params
blob NOT NULL,
1490 -- Random, non-unique, number used for job acquisition (for lock concurrency)
1491 job_random
integer unsigned
NOT NULL default 0,
1493 -- The number of times this job has been locked
1494 job_attempts
integer unsigned
NOT NULL default 0,
1496 -- Field that conveys process locks on rows via process UUIDs
1497 job_token
varbinary(32) NOT NULL default '',
1499 -- Timestamp when the job was locked
1500 job_token_timestamp
varbinary(14) NULL default NULL,
1502 -- Base 36 SHA1 of the job parameters relevant to detecting duplicates
1503 job_sha1
varbinary(32) NOT NULL default ''
1504 ) /*$wgDBTableOptions*/;
1506 CREATE INDEX /*i*/job_sha1
ON /*_*/job (job_sha1
);
1507 CREATE INDEX /*i*/job_cmd_token
ON /*_*/job (job_cmd
,job_token
,job_random
);
1508 CREATE INDEX /*i*/job_cmd_token_id
ON /*_*/job (job_cmd
,job_token
,job_id
);
1509 CREATE INDEX /*i*/job_cmd
ON /*_*/job (job_cmd
, job_namespace
, job_title
, job_params(128));
1510 CREATE INDEX /*i*/job_timestamp
ON /*_*/job (job_timestamp
);
1513 -- Details of updates to cached special pages
1514 CREATE TABLE /*_*/querycache_info (
1515 -- Special page name
1516 -- Corresponds to a qc_type value
1517 qci_type
varbinary(32) NOT NULL default '',
1519 -- Timestamp of last update
1520 qci_timestamp
binary(14) NOT NULL default '19700101000000'
1521 ) /*$wgDBTableOptions*/;
1523 CREATE UNIQUE INDEX /*i*/qci_type
ON /*_*/querycache_info (qci_type
);
1526 -- For each redirect, this table contains exactly one row defining its target
1527 CREATE TABLE /*_*/redirect (
1528 -- Key to the page_id of the redirect page
1529 rd_from
int unsigned
NOT NULL default 0 PRIMARY KEY,
1531 -- Key to page_namespace/page_title of the target page.
1532 -- The target page may or may not exist, and due to renames
1533 -- and deletions may refer to different page records as time
1535 rd_namespace
int NOT NULL default 0,
1536 rd_title
varchar(255) binary NOT NULL default '',
1537 rd_interwiki
varchar(32) default NULL,
1538 rd_fragment
varchar(255) binary default NULL
1539 ) /*$wgDBTableOptions*/;
1541 CREATE INDEX /*i*/rd_ns_title
ON /*_*/redirect (rd_namespace
,rd_title
,rd_from
);
1544 -- Used for caching expensive grouped queries that need two links (for example double-redirects)
1545 CREATE TABLE /*_*/querycachetwo (
1546 -- A key name, generally the base name of of the special page.
1547 qcc_type
varbinary(32) NOT NULL,
1549 -- Some sort of stored value. Sizes, counts...
1550 qcc_value
int unsigned
NOT NULL default 0,
1552 -- Target namespace+title
1553 qcc_namespace
int NOT NULL default 0,
1554 qcc_title
varchar(255) binary NOT NULL default '',
1556 -- Target namespace+title2
1557 qcc_namespacetwo
int NOT NULL default 0,
1558 qcc_titletwo
varchar(255) binary NOT NULL default ''
1559 ) /*$wgDBTableOptions*/;
1561 CREATE INDEX /*i*/qcc_type
ON /*_*/querycachetwo (qcc_type
,qcc_value
);
1562 CREATE INDEX /*i*/qcc_title
ON /*_*/querycachetwo (qcc_type
,qcc_namespace
,qcc_title
);
1563 CREATE INDEX /*i*/qcc_titletwo
ON /*_*/querycachetwo (qcc_type
,qcc_namespacetwo
,qcc_titletwo
);
1566 -- Used for storing page restrictions (i.e. protection levels)
1567 CREATE TABLE /*_*/page_restrictions (
1568 -- Field for an ID for this restrictions row (sort-key for Special:ProtectedPages)
1569 pr_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
1570 -- Page to apply restrictions to (Foreign Key to page).
1571 pr_page
int NOT NULL,
1572 -- The protection type (edit, move, etc)
1573 pr_type
varbinary(60) NOT NULL,
1574 -- The protection level (Sysop, autoconfirmed, etc)
1575 pr_level
varbinary(60) NOT NULL,
1576 -- Whether or not to cascade the protection down to pages transcluded.
1577 pr_cascade tinyint
NOT NULL,
1578 -- Field for future support of per-user restriction.
1580 -- Field for time-limited protection.
1581 pr_expiry
varbinary(14) NULL
1582 ) /*$wgDBTableOptions*/;
1584 CREATE UNIQUE INDEX /*i*/pr_pagetype
ON /*_*/page_restrictions (pr_page
,pr_type
);
1585 CREATE INDEX /*i*/pr_typelevel
ON /*_*/page_restrictions (pr_type
,pr_level
);
1586 CREATE INDEX /*i*/pr_level
ON /*_*/page_restrictions (pr_level
);
1587 CREATE INDEX /*i*/pr_cascade
ON /*_*/page_restrictions (pr_cascade
);
1590 -- Protected titles - nonexistent pages that have been protected
1591 CREATE TABLE /*_*/protected_titles (
1592 pt_namespace
int NOT NULL,
1593 pt_title
varchar(255) binary NOT NULL,
1594 pt_user
int unsigned
NOT NULL,
1595 pt_reason
varbinary(767),
1596 pt_timestamp
binary(14) NOT NULL,
1597 pt_expiry
varbinary(14) NOT NULL default '',
1598 pt_create_perm
varbinary(60) NOT NULL
1599 ) /*$wgDBTableOptions*/;
1601 CREATE UNIQUE INDEX /*i*/pt_namespace_title
ON /*_*/protected_titles (pt_namespace
,pt_title
);
1602 CREATE INDEX /*i*/pt_timestamp
ON /*_*/protected_titles (pt_timestamp
);
1605 -- Name/value pairs indexed by page_id
1606 CREATE TABLE /*_*/page_props (
1607 pp_page
int NOT NULL,
1608 pp_propname
varbinary(60) NOT NULL,
1609 pp_value
blob NOT NULL,
1610 pp_sortkey
float DEFAULT NULL
1611 ) /*$wgDBTableOptions*/;
1613 CREATE UNIQUE INDEX /*i*/pp_page_propname
ON /*_*/page_props (pp_page
,pp_propname
);
1614 CREATE UNIQUE INDEX /*i*/pp_propname_page
ON /*_*/page_props (pp_propname
,pp_page
);
1615 CREATE UNIQUE INDEX /*i*/pp_propname_sortkey_page
ON /*_*/page_props (pp_propname
,pp_sortkey
,pp_page
);
1617 -- A table to log updates, one text key row per update.
1618 CREATE TABLE /*_*/updatelog (
1619 ul_key
varchar(255) NOT NULL PRIMARY KEY,
1621 ) /*$wgDBTableOptions*/;
1624 -- A table to track tags for revisions, logs and recent changes.
1625 CREATE TABLE /*_*/change_tag (
1626 ct_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
1627 -- RCID for the change
1629 -- LOGID for the change
1631 -- REVID for the change
1634 ct_tag
varchar(255) NOT NULL,
1635 -- Parameters for the tag, presently unused
1637 ) /*$wgDBTableOptions*/;
1639 CREATE UNIQUE INDEX /*i*/change_tag_rc_tag
ON /*_*/change_tag (ct_rc_id
,ct_tag
);
1640 CREATE UNIQUE INDEX /*i*/change_tag_log_tag
ON /*_*/change_tag (ct_log_id
,ct_tag
);
1641 CREATE UNIQUE INDEX /*i*/change_tag_rev_tag
ON /*_*/change_tag (ct_rev_id
,ct_tag
);
1642 -- Covering index, so we can pull all the info only out of the index.
1643 CREATE INDEX /*i*/change_tag_tag_id
ON /*_*/change_tag (ct_tag
,ct_rc_id
,ct_rev_id
,ct_log_id
);
1646 -- Rollup table to pull a LIST of tags simply without ugly GROUP_CONCAT
1647 -- that only works on MySQL 4.1+
1648 CREATE TABLE /*_*/tag_summary (
1649 ts_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
1650 -- RCID for the change
1652 -- LOGID for the change
1654 -- REVID for the change
1656 -- Comma-separated list of tags
1657 ts_tags
blob NOT NULL
1658 ) /*$wgDBTableOptions*/;
1660 CREATE UNIQUE INDEX /*i*/tag_summary_rc_id
ON /*_*/tag_summary (ts_rc_id
);
1661 CREATE UNIQUE INDEX /*i*/tag_summary_log_id
ON /*_*/tag_summary (ts_log_id
);
1662 CREATE UNIQUE INDEX /*i*/tag_summary_rev_id
ON /*_*/tag_summary (ts_rev_id
);
1665 CREATE TABLE /*_*/valid_tag (
1666 vt_tag
varchar(255) NOT NULL PRIMARY KEY
1667 ) /*$wgDBTableOptions*/;
1669 -- Table for storing localisation data
1670 CREATE TABLE /*_*/l10n_cache (
1672 lc_lang
varbinary(32) NOT NULL,
1674 lc_key
varchar(255) NOT NULL,
1676 lc_value mediumblob
NOT NULL
1677 ) /*$wgDBTableOptions*/;
1678 CREATE INDEX /*i*/lc_lang_key
ON /*_*/l10n_cache (lc_lang
, lc_key
);
1680 -- Table caching which local files a module depends on that aren't
1681 -- registered directly, used for fast retrieval of file dependency.
1682 -- Currently only used for tracking images that CSS depends on
1683 CREATE TABLE /*_*/module_deps (
1685 md_module
varbinary(255) NOT NULL,
1686 -- Module context vary (includes skin and language; called "md_skin" for legacy reasons)
1687 md_skin
varbinary(32) NOT NULL,
1688 -- JSON blob with file dependencies
1689 md_deps mediumblob
NOT NULL
1690 ) /*$wgDBTableOptions*/;
1691 CREATE UNIQUE INDEX /*i*/md_module_skin
ON /*_*/module_deps (md_module
, md_skin
);
1693 -- Holds all the sites known to the wiki.
1694 CREATE TABLE /*_*/sites (
1695 -- Numeric id of the site
1696 site_id
INT UNSIGNED
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
1698 -- Global identifier for the site, ie 'enwiktionary'
1699 site_global_key
varbinary(32) NOT NULL,
1701 -- Type of the site, ie 'mediawiki'
1702 site_type
varbinary(32) NOT NULL,
1704 -- Group of the site, ie 'wikipedia'
1705 site_group
varbinary(32) NOT NULL,
1707 -- Source of the site data, ie 'local', 'wikidata', 'my-magical-repo'
1708 site_source
varbinary(32) NOT NULL,
1710 -- Language code of the sites primary language.
1711 site_language
varbinary(32) NOT NULL,
1713 -- Protocol of the site, ie 'http://', 'irc://', '//'
1714 -- This field is an index for lookups and is build from type specific data in site_data.
1715 site_protocol
varbinary(32) NOT NULL,
1717 -- Domain of the site in reverse order, ie 'org.mediawiki.www.'
1718 -- This field is an index for lookups and is build from type specific data in site_data.
1719 site_domain
VARCHAR(255) NOT NULL,
1721 -- Type dependent site data.
1722 site_data
BLOB NOT NULL,
1724 -- If site.tld/path/key:pageTitle should forward users to the page on
1725 -- the actual site, where "key" is the local identifier.
1726 site_forward bool
NOT NULL,
1728 -- Type dependent site config.
1729 -- For instance if template transclusion should be allowed if it's a MediaWiki.
1730 site_config
BLOB NOT NULL
1731 ) /*$wgDBTableOptions*/;
1733 CREATE UNIQUE INDEX /*i*/sites_global_key
ON /*_*/sites (site_global_key
);
1734 CREATE INDEX /*i*/sites_type
ON /*_*/sites (site_type
);
1735 CREATE INDEX /*i*/sites_group
ON /*_*/sites (site_group
);
1736 CREATE INDEX /*i*/sites_source
ON /*_*/sites (site_source
);
1737 CREATE INDEX /*i*/sites_language
ON /*_*/sites (site_language
);
1738 CREATE INDEX /*i*/sites_protocol
ON /*_*/sites (site_protocol
);
1739 CREATE INDEX /*i*/sites_domain
ON /*_*/sites (site_domain
);
1740 CREATE INDEX /*i*/sites_forward
ON /*_*/sites (site_forward
);
1742 -- Links local site identifiers to their corresponding site.
1743 CREATE TABLE /*_*/site_identifiers (
1744 -- Key on site.site_id
1745 si_site
INT UNSIGNED
NOT NULL,
1747 -- local key type, ie 'interwiki' or 'langlink'
1748 si_type
varbinary(32) NOT NULL,
1750 -- local key value, ie 'en' or 'wiktionary'
1751 si_key
varbinary(32) NOT NULL
1752 ) /*$wgDBTableOptions*/;
1754 CREATE UNIQUE INDEX /*i*/site_ids_type
ON /*_*/site_identifiers (si_type
, si_key
);
1755 CREATE INDEX /*i*/site_ids_site
ON /*_*/site_identifiers (si_site
);
1756 CREATE INDEX /*i*/site_ids_key
ON /*_*/site_identifiers (si_key
);
1758 -- vim: sw=2 sts=2 et